BLFS executive has 627 shares withheld for taxes

BIOLIFE SOLUTIONS INC executive Mathew Aby J., EVP & Chief Scientific Officer, reported a small, routine share disposition related to taxes.

Rhea-AI Filing Summary

BIOLIFE SOLUTIONS INC executive Mathew Aby J., EVP & Chief Scientific Officer, reported a small, routine share disposition related to taxes. On June 8, 2026, 627 shares of common stock were withheld at $26.10 per share to satisfy tax withholding obligations that arose when restricted stock units were released. After this tax-withholding event, he directly held 389,540 shares of common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 627 shares

Exercise Price or Tax Liability 1 txn

Insider Mathew Aby J.

Role EVP & Chief Scientific Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	627	$26.10	$16K

Holdings After Transaction: Common Stock — 389,540 shares (Direct)

Footnotes (1)

1. F1. Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Key Figures

Shares withheld for taxes: 627 shares Withholding price: $26.10 per share Shares held after transaction: 389,540 shares

3 metrics

Shares withheld for taxes 627 shares Common stock withheld to satisfy tax obligations on RSU release

Withholding price $26.10 per share Value used for tax-withholding disposition on June 8, 2026

Shares held after transaction 389,540 shares Direct common stock holdings following tax-withholding event

Key Terms

restricted stock units, tax withholding obligations, tax-withholding disposition, Form 4

4 terms

restricted stock units financial

"arose upon the release of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"withheld by the Issuer to satisfy tax withholding obligations"

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did BIOLIFE SOLUTIONS INC (BLFS) report for Mathew Aby J.?

BIOLIFE SOLUTIONS INC reported that EVP & Chief Scientific Officer Mathew Aby J. had 627 common shares withheld on June 8, 2026. These shares were used to cover tax obligations arising from the release of restricted stock units, not an open-market sale.

Was the BLFS Form 4 transaction an open-market sale by the executive?

No, the Form 4 for BLFS shows a tax-withholding disposition, not an open-market sale. The issuer withheld 627 shares to satisfy the executive’s tax liabilities when restricted stock units were released, a common administrative transaction.

How many BIOLIFE SOLUTIONS INC shares were withheld for taxes in this Form 4?

The filing shows that 627 shares of BIOLIFE SOLUTIONS INC common stock were withheld. The shares were valued at $26.10 per share and were retained by the issuer solely to meet the reporting person’s tax withholding obligations tied to restricted stock unit vesting.

How many BLFS shares does Mathew Aby J. hold after this tax-withholding event?

After the tax-withholding disposition, Mathew Aby J. directly held 389,540 shares of BLFS common stock. This indicates the 627 shares withheld for taxes represent a very small portion of his total reported holdings in the company.

What does transaction code F mean in the BLFS Form 4 filing?

Transaction code F indicates a payment of tax liability by delivering securities. In this BLFS filing, it means 627 shares were withheld by the issuer at $26.10 per share to cover taxes from the release of restricted stock units.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/10/2026 - 05:01 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mathew Aby J.

(Last) (First) (Middle)

3303 MONTE VILLA PARKWAY

SUITE 310

(Street)

BOTHELL WASHINGTON 98021

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BIOLIFE SOLUTIONS INC [ BLFS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Scientific Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/08/2026		F		627	D	$26.1(1)	389,540	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Remarks:

	/s/ Aby J. Mathew	06/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)